.page-products {
  --pp-ring: rgba(169, 207, 230, 0.55);
  --pp-soft: rgba(217, 201, 174, 0.35);
}

/* 首屏 */
.page-products .hero {
  padding-top: clamp(24px, 4vw, 48px);
  padding-bottom: clamp(28px, 5vw, 56px);
  background:
    radial-gradient(120% 90% at 100% 0%, var(--pp-ring) 0%, rgba(234, 241, 246, 0) 62%),
    linear-gradient(135deg, var(--paper) 0%, var(--paper-cool) 100%);
}

.page-products .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 32px);
  font-size: 14px;
  color: var(--rock-grey);
}

.page-products .breadcrumb a {
  color: var(--blue-deep);
  text-decoration: none;
}

.page-products .breadcrumb a:hover {
  text-decoration: underline;
}

.page-products .breadcrumb span[aria-hidden="true"] {
  margin: 0 8px;
  color: var(--blue-light);
}

.page-products .hero-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-products .hero-lead .lede {
  max-width: 46ch;
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(18px, 3vw, 26px);
}

.page-products .hero-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 3vw, 30px);
  background: var(--paper);
  border: 1px solid var(--blue-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.page-products .hero-panel::after {
  content: "";
  position: absolute;
  right: -18%;
  bottom: -42%;
  width: 72%;
  height: 64%;
  background: radial-gradient(circle at 50% 50%, var(--pp-soft), rgba(217, 201, 174, 0) 70%);
  pointer-events: none;
}

.page-products .panel-kicker {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--rock-grey);
}

.page-products .fact-grid {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-products .fact {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: var(--blue-mist);
  border-radius: var(--radius-md);
}

.page-products .fact-num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--blue-deep);
}

.page-products .fact-label {
  font-size: 13px;
  color: var(--rock);
}

/* 步骤索引 + 步骤面板 */
.page-products .step-layout {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(24px, 4vw, 40px);
}

.page-products .step-index {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 2px 2px 10px;
  scrollbar-width: none;
}

.page-products .step-index::-webkit-scrollbar {
  display: none;
}

.page-products .index-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid var(--blue-light);
  border-radius: var(--radius-pill);
  background: var(--paper);
  color: var(--rock);
  font-size: 14px;
  text-decoration: none;
  transition: transform 0.16s var(--ease), background 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-products .index-link:hover {
  transform: translateY(-2px);
  border-color: var(--blue);
  background: var(--blue-mist);
}

.page-products .index-link:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-products .index-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--wolfberry);
}

.page-products .step-stack {
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 3vw, 24px);
  min-width: 0;
}

.page-products .flow-item {
  display: grid;
  gap: 14px;
  padding: clamp(18px, 3vw, 28px);
  background: var(--paper);
  border: 1px solid var(--blue-light);
  border-radius: var(--radius-lg);
  scroll-margin-top: 120px;
}

.page-products .flow-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-pill);
  background: var(--blue);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
}

.page-products .flow-body {
  min-width: 0;
}

.page-products .flow-title {
  margin: 0 0 8px;
  font-size: clamp(19px, 2.2vw, 24px);
  line-height: 1.4;
  color: var(--ink);
}

.page-products .flow-text {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--rock);
}

.page-products .drawer {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--blue-light);
}

.page-products .drawer summary {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  list-style: none;
  cursor: pointer;
  font-size: 14px;
  color: var(--blue-deep);
}

.page-products .drawer summary::-webkit-details-marker {
  display: none;
}

.page-products .drawer summary::after {
  content: "展开";
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: var(--blue-mist);
  color: var(--blue-deep);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.page-products .drawer[open] summary::after {
  content: "收起";
  background: var(--wolfberry-soft);
  color: var(--ink);
}

.page-products .drawer summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-products .drawer-body {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--rock-grey);
}

.page-products .flow-figure {
  margin: 6px 0 0;
}

.page-products .flow-figure img,
.page-products .fav-figure img,
.page-products .path-figure img,
.page-products .version-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--radius-md);
  object-fit: cover;
}

/* 三板块分段切换 */
.page-products .tabs-wrap {
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 3vw, 22px);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .segmented-panel {
  padding: clamp(20px, 3vw, 32px);
  background: var(--paper);
  border: 1px solid var(--blue-light);
  border-radius: var(--radius-lg);
}

.page-products .segmented-panel[hidden] {
  display: none;
}

.page-products .panel-lead {
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--rock);
}

.page-products .panel-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 14px;
}

.page-products .point {
  padding: 16px 18px;
  background: var(--blue-mist);
  border-radius: var(--radius-md);
}

.page-products .point-title {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
  color: var(--blue-deep);
}

.page-products .point-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--rock);
}

/* 收藏夹 */
.page-products .fav-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-products .metric-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 22px 0 0;
}

.page-products .metric {
  flex: 1 1 150px;
  padding: 16px 18px;
  background: var(--blue-mist);
  border: 1px solid var(--blue-light);
  border-radius: var(--radius-md);
}

.page-products .metric-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(26px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--blue-deep);
}

.page-products .metric-label {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  color: var(--rock);
}

.page-products .fav-tip {
  margin: 20px 0 0;
  padding-left: 16px;
  border-left: 3px solid var(--wolfberry);
  font-size: 15px;
  line-height: 1.85;
  color: var(--rock);
}

.page-products .fav-figure {
  margin: 0;
}

/* 版本对照 */
.page-products .version-grid {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
  margin-top: clamp(22px, 3vw, 34px);
}

.page-products .version-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(18px, 3vw, 28px);
  background: var(--paper);
  border: 1px solid var(--blue-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  min-width: 0;
}

.page-products .version-card--lite {
  border-top: 4px solid var(--rock);
}

.page-products .version-card--full {
  border-top: 4px solid var(--blue);
}

.page-products .version-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-products .version-name {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 26px);
  color: var(--ink);
}

.page-products .version-tag {
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.page-products .version-tag--lite {
  background: var(--rock);
  color: var(--paper);
}

.page-products .version-tag--full {
  background: var(--blue);
  color: var(--paper);
}

.page-products .version-size {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3vw, 30px);
  font-weight: 700;
  color: var(--blue-deep);
}

.page-products .version-figure {
  margin: 0;
}

.page-products .version-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .version-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--rock);
}

.page-products .version-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue-light);
}

.page-products .version-card--full .version-list li::before {
  background: var(--wolfberry);
}

.page-products .version-divider {
  display: none;
}

/* 日常场景 */
.page-products .path-figure {
  margin: clamp(20px, 3vw, 32px) 0;
}

.page-products .scene-rail {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 4px 4px 16px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}

.page-products .scene-card {
  flex: 0 0 min(320px, 82vw);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 24px;
  background: var(--paper);
  border: 1px solid var(--blue-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.page-products .scene-title {
  margin: 0;
  font-size: 19px;
  line-height: 1.4;
  color: var(--ink);
}

.page-products .scene-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--rock);
}

/* 反馈 */
.page-products .feedback {
  background: linear-gradient(160deg, var(--paper-cool) 0%, var(--paper) 78%);
}

.page-products .feedback-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-products .feedback-copy .btn {
  margin-top: 20px;
}

.page-products .feedback-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-products .feedback-links a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 44px;
  padding: 18px 20px;
  border: 1px solid var(--blue-light);
  border-radius: var(--radius-md);
  background: var(--paper);
  text-decoration: none;
  transition: transform 0.16s var(--ease), border-color 0.16s var(--ease), background 0.16s var(--ease);
}

.page-products .feedback-links a:hover {
  transform: translateY(-2px);
  border-color: var(--blue);
  background: var(--blue-mist);
}

.page-products .feedback-links a:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-products .link-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--blue-deep);
}

.page-products .link-desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--rock);
}

/* 断点 */
@media (min-width: 640px) {
  .page-products .flow-item {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 20px;
  }
}

@media (min-width: 860px) {
  .page-products .version-grid {
    grid-template-columns: minmax(0, 1fr) 2px minmax(0, 1fr);
    gap: clamp(20px, 3vw, 34px);
    align-items: stretch;
  }

  .page-products .version-divider {
    display: block;
    position: relative;
    border-left: 2px dashed var(--blue-light);
  }

  .page-products .version-divider span {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 8px 6px;
    border-radius: var(--radius-pill);
    background: var(--wolfberry-soft);
    color: var(--ink);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    writing-mode: vertical-rl;
  }

  .page-products .feedback-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }
}

@media (min-width: 900px) {
  .page-products .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-products .fav-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

@media (min-width: 960px) {
  .page-products .step-layout {
    grid-template-columns: 230px minmax(0, 1fr);
    gap: clamp(36px, 5vw, 80px);
  }

  .page-products .step-index {
    position: sticky;
    top: 112px;
    align-self: start;
    flex-direction: column;
    overflow: visible;
    gap: 6px;
    padding: 0 0 0 20px;
    border-left: 2px solid var(--blue-light);
  }

  .page-products .index-link {
    justify-content: flex-start;
    padding: 9px 12px;
    border: 0;
    border-radius: 12px;
    background: transparent;
  }

  .page-products .index-link:hover {
    transform: none;
    background: var(--blue-mist);
  }

  .page-products .index-link.is-current {
    background: var(--wolfberry-soft);
    color: var(--ink);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .index-link,
  .page-products .feedback-links a {
    transition: none;
  }

  .page-products .index-link:hover,
  .page-products .feedback-links a:hover {
    transform: none;
  }
}